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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Bai 4.1</title>
</head>

<body>
<table width="400" border="1" align="center">
  <tr bgcolor="#FF33FF">
    <td style="text-align: center; color: #FFF;">
    	<?php
			$file=fopen("sang_thang_nam.txt","r",1);
			if(!$file)
			{
				echo "Không mở được file<br />";
			}
			else
			{
				while(!feof($file))
				{
					$noidung=fgets($file);										
					echo nl2br($noidung);
				}				
				echo "<br />Mở file thành công";
			}
			fclose($file);
		?>
    
    </td>
  </tr>
</table>
</body>
</html>